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Table 2 Characteristics of eligible and non-eligible patients

From: An association between systolic blood pressure and stroke among patients with impaired consciousness in out-of-hospital emergency settings

  Eligible No eligible P value
  (N = 106,706) (N = 21,972)
Men, n (%) 57,879 (54.2) 13,341 (60.7) <0.001
Age, year, mean (SD) 63.1 (20.7) 62.3 (20.4) <0.001
> = 75 years, n (%) 37,793 (35.4) 7167 (32.6) <0.001
Consciousness, n (%)    <0.001
    Mild disturbance 75,437 (70.7) 12,573 (57.2)  
    Moderate disturbance 16,979 (15.9) 2121 (9.7)  
    Severe disturbance 14,290 (13.4) 7278 (33.1)  
Home, n (%) 52,936 (49.6) 10,164 (46.3) <0.001
SBP, mmHg, mean (SD) 139.5 (36.1)  
DBP, mmHg, mean (SD) 77.8 (21.1)  
HR, counts per a minute, mean (SD) 89.0 (22.3) 70.7 (39.9) <0.001
SpO2, %, median (IQR) 96 (94–98) 95 (88–98) <0.001
Call to arrival at the scene, minute, mean (SD) 6.3 (2.5) 6.1 (2.5) <0.001
Call to contact with patients, minute, mean (SD) 7.5 (2.7) 7.2 (2.8) <0.001
Call to hospital arrival, minute, mean (SD) 25.1 (8.6) 22.3 (8.7) <0.001
  1. SBP denotes systolic blood pressure, DBP diastolic blood pressure, HR heart rate;
  2. SD standard deviation, IQR inter-quartile range.